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ASTM Standards

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B36 Brass plate, sheet, strip, and rolled bar B99 Copper Silicon alloy wire for general purposes B103 Phosphor Bronze plate, sheet, strip, and rolled bar B122 Copper Nickel Tin alloy, Copper Nickel Zinc alloy (Nickel Silver), and Copper Nickel alloy … Continue reading

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C519 Phosphor Bronze 6% (CuSn6)

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A phosphor bronze, alloy C519 has 6% nominal tin producing higher mechanical strengths with a slight decrease in electrical conductivity when compared to C510 phosphor bronze. Often functionally interchangeable with C510 which predominates in North America, alloy C519 is generally … Continue reading

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C521 Bronze (CuSn8)

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Alloy C521 is a high tin alloy of the phosphor bronze family. The additional tin relative to the more commonly used C510 results in higher mechanical properties with a modest reduction in electrical conductivity. Applications include electronic parts, springs, contacts, … Continue reading

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C510 Bronze (CuSn5)

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Alloy C510 is an alloy with good strength, formability and stress relaxation characteristics and solderability. Applications include electronic parts, springs, switches, contacts and fasteners.

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C425 Copper-Zinc-Tin (CuSn3Zn9)

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Alloy C425 is a low zinc-containing alloy with good combination of tensile strength, electrical conductivity, formability and corrosion resistance. Applications include electrical springs, connectors and terminals.

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C197 High Performance Alloy

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Alloy C197 is a high conductivity copper alloy possessing an excellent combination of strength, conductivity and softening resistance. This alloy can be substituted for medium tempers of brass and bronze when higher electrical conductivity is required or better solderability is … Continue reading

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C194 Copper-Iron (CuFe2P)

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Alloy C194 is a first generation high performance alloy used worldwide. C194 combines good electrical conductivity with high tensile strength, good solderability and plateability. Applications include connectors, semiconductor pins and leadframes, sockets and mass terminations.

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C151 Zirconium Copper

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Alloy C151 has excellent solderability, high conductivity, and good strength. C151 has superior softening resistance compared to pure copper C110, which will soften upon heating, limiting the application evironment. Applications can be found in high current interconnects, pin grids, welding … Continue reading

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